mirror of
https://github.com/JayDDee/cpuminer-opt.git
synced 2025-09-17 23:44:27 +00:00
114 lines
3.4 KiB
C
114 lines
3.4 KiB
C
/**
|
|
* Blake2-B Implementation
|
|
* tpruvot@github 2015-2016
|
|
*/
|
|
|
|
#include "blake2b-gate.h"
|
|
#include <string.h>
|
|
#include <stdint.h>
|
|
#include "blake2b-hash-4way.h"
|
|
|
|
#if defined(BLAKE2B_8WAY)
|
|
|
|
int scanhash_blake2b_8way( struct work *work, uint32_t max_nonce,
|
|
uint64_t *hashes_done, struct thr_info *mythr )
|
|
{
|
|
uint32_t hash[8*8] __attribute__ ((aligned (128)));;
|
|
uint32_t vdata[20*8] __attribute__ ((aligned (64)));;
|
|
uint32_t lane_hash[8] __attribute__ ((aligned (64)));
|
|
blake2b_8way_ctx ctx __attribute__ ((aligned (64)));
|
|
uint32_t *hash7 = &(hash[49]); // 3*16+1
|
|
uint32_t *pdata = work->data;
|
|
uint32_t *ptarget = work->target;
|
|
int thr_id = mythr->id;
|
|
__m512i *noncev = (__m512i*)vdata + 9; // aligned
|
|
const uint32_t Htarg = ptarget[7];
|
|
const uint32_t first_nonce = pdata[19];
|
|
|
|
uint32_t n = first_nonce;
|
|
|
|
mm512_bswap32_intrlv80_8x64( vdata, pdata );
|
|
|
|
do {
|
|
*noncev = mm512_intrlv_blend_32( mm512_bswap_32(
|
|
_mm512_set_epi32( n+7, 0, n+6, 0, n+5, 0, n+4, 0,
|
|
n+3, 0, n+2, 0, n+1, 0, n , 0 ) ), *noncev );
|
|
|
|
blake2b_8way_init( &ctx );
|
|
blake2b_8way_update( &ctx, vdata, 80 );
|
|
blake2b_8way_final( &ctx, hash );
|
|
|
|
for ( int lane = 0; lane < 8; lane++ )
|
|
if ( hash7[ lane<<1 ] <= Htarg )
|
|
{
|
|
extr_lane_8x64( lane_hash, hash, lane, 256 );
|
|
if ( fulltest( lane_hash, ptarget ) && !opt_benchmark )
|
|
{
|
|
pdata[19] = n + lane;
|
|
submit_solution( work, lane_hash, mythr );
|
|
}
|
|
}
|
|
n += 8;
|
|
} while ( (n < max_nonce-8) && !work_restart[thr_id].restart);
|
|
|
|
*hashes_done = n - first_nonce + 1;
|
|
return 0;
|
|
}
|
|
|
|
#elif defined(BLAKE2B_4WAY)
|
|
|
|
// Function not used, code inlined.
|
|
void blake2b_4way_hash(void *output, const void *input)
|
|
{
|
|
blake2b_4way_ctx ctx;
|
|
blake2b_4way_init( &ctx );
|
|
blake2b_4way_update( &ctx, input, 80 );
|
|
blake2b_4way_final( &ctx, output );
|
|
}
|
|
|
|
int scanhash_blake2b_4way( struct work *work, uint32_t max_nonce,
|
|
uint64_t *hashes_done, struct thr_info *mythr )
|
|
{
|
|
uint32_t hash[8*4] __attribute__ ((aligned (64)));;
|
|
uint32_t vdata[20*4] __attribute__ ((aligned (32)));;
|
|
uint32_t lane_hash[8] __attribute__ ((aligned (32)));
|
|
blake2b_4way_ctx ctx __attribute__ ((aligned (32)));
|
|
uint32_t *hash7 = &(hash[25]); // 3*8+1
|
|
uint32_t *pdata = work->data;
|
|
uint32_t *ptarget = work->target;
|
|
int thr_id = mythr->id;
|
|
__m256i *noncev = (__m256i*)vdata + 9; // aligned
|
|
const uint32_t Htarg = ptarget[7];
|
|
const uint32_t first_nonce = pdata[19];
|
|
|
|
uint32_t n = first_nonce;
|
|
|
|
mm256_bswap32_intrlv80_4x64( vdata, pdata );
|
|
|
|
do {
|
|
*noncev = mm256_intrlv_blend_32( mm256_bswap_32(
|
|
_mm256_set_epi32( n+3, 0, n+2, 0, n+1, 0, n, 0 ) ), *noncev );
|
|
|
|
blake2b_4way_init( &ctx );
|
|
blake2b_4way_update( &ctx, vdata, 80 );
|
|
blake2b_4way_final( &ctx, hash );
|
|
|
|
for ( int lane = 0; lane < 4; lane++ )
|
|
if ( hash7[ lane<<1 ] <= Htarg )
|
|
{
|
|
extr_lane_4x64( lane_hash, hash, lane, 256 );
|
|
if ( fulltest( lane_hash, ptarget ) && !opt_benchmark )
|
|
{
|
|
pdata[19] = n + lane;
|
|
submit_solution( work, lane_hash, mythr );
|
|
}
|
|
}
|
|
n += 4;
|
|
} while ( (n < max_nonce-4) && !work_restart[thr_id].restart);
|
|
|
|
*hashes_done = n - first_nonce + 1;
|
|
return 0;
|
|
}
|
|
|
|
#endif
|